GSD-2021-1000126 ovl: fix leaked dentry
A leaked dentry in the Linux Kernel overlayfs module can lead to resource exhaustion and potential denial of service.
- Exploited in the wild
- Not known
- Login needed
- Not stated
- Attackable
- Not stated
- Victim action needed
- Not stated
- Fix
- None listed
What is GSD-2021-1000126?
GSD-2021-1000126 is a memory corruption vulnerability in Kernel, published on 31 May 2021.
Official description
ovl: fix leaked dentry
This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v5.11.19 by commit cf3e3330bc5719fa9d658e3e2f596bde89344a94, it was introduced in version v5.8 by commit 6815f479ca90ee7fd2e28b2a420f796b974155fe. For more details please see the references link.
Which versions are affected by GSD-2021-1000126?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2021-1000126?
No fix has been published for GSD-2021-1000126 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is GSD-2021-1000126 being exploited?
There is no known exploitation of GSD-2021-1000126 in the wild and no public exploit code.